CURLINFO_PRETRANSFER_TIME_T.3 2.5 KB

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  23. .TH CURLINFO_PRETRANSFER_TIME_T 3 "May 17, 2018" "libcurl 7.61.1" "curl_easy_getinfo options"
  24. .SH NAME
  25. CURLINFO_PRETRANSFER_TIME_T \- get the time until the file transfer start
  26. .SH SYNOPSIS
  27. #include <curl/curl.h>
  28. CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRETRANSFER_TIME_T, curl_off_t *timep);
  29. .SH DESCRIPTION
  30. Pass a pointer to a curl_off_t to receive the time, in microseconds,
  31. it took from the
  32. start until the file transfer is just about to begin. This includes all
  33. pre-transfer commands and negotiations that are specific to the particular
  34. protocol(s) involved. It does \fInot\fP involve the sending of the protocol-
  35. specific request that triggers a transfer.
  36. See also the TIMES overview in the \fIcurl_easy_getinfo(3)\fP man page.
  37. .SH PROTOCOLS
  38. All
  39. .SH EXAMPLE
  40. .nf
  41. curl = curl_easy_init();
  42. if(curl) {
  43. curl_off_t pretransfer;
  44. curl_easy_setopt(curl, CURLOPT_URL, url);
  45. res = curl_easy_perform(curl);
  46. if(CURLE_OK == res) {
  47. res = curl_easy_getinfo(curl, CURLINFO_PRETRANSFER_TIME_T, &pretransfer);
  48. if(CURLE_OK == res) {
  49. printf("Time: %" CURL_FORMAT_CURL_OFF_T ".%06ld", pretransfer / 1000000,
  50. (long)(pretransfer % 1000000));
  51. }
  52. }
  53. /* always cleanup */
  54. curl_easy_cleanup(curl);
  55. }
  56. .fi
  57. .SH AVAILABILITY
  58. Added in 7.61.0
  59. .SH RETURN VALUE
  60. Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
  61. .SH "SEE ALSO"
  62. .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), " CURLINFO_PRETRANSFER_TIME "(3)"